Audio Displays & Interactive Media Projects
97 free Audio Displays & Interactive Media project guides with circuit diagrams, code and the parts you need. Pick one below, or use the interactive Project Hub to search and filter by platform, difficulty and budget.
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Analog Audio & Amplifier Circuits (48)
- 1-Watt Single-Channel Audio Amplifier (Analog / Discrete - Beginner)
- 10 Watt Audio Amplifier using Op-Amp and Power Transistors (Analog / Discrete - Intermediate)
- 6W+6W Stereo Amplifier Using LA4440 (Analog / Discrete - Beginner)
- A Simple Audio Amplifier With Dual Power Source (Analog / Discrete - Beginner)
- A Simple But Versatile Musical Horn (Analog / Discrete - Beginner)
- A Simple DIY Bluetooth Audio Player using Wireless Hi-Fi Amplifier Module (Analog / Discrete - Intermediate)
- Ambulance & Police Siren Generation Using Arduino or Analog Circuit (Arduino - Beginner)
- Arduino Based FM Radio using RDA5807 (Arduino - Intermediate)
- Audio Equalizer / Tone Control Circuit with Bass, Treble and MID Frequency Control using Op-Amp (Analog / Discrete - Advanced)
- Bluetooth Music Player And Speaker (Analog / Discrete - Intermediate)
- Build a Compact and Portable DIY Bluetooth Speaker (Analog / Discrete - Beginner)
- Design a TDA7294 IC Based 170W High Power Audio Amplifier (Analog / Discrete - Beginner)
- DIY Electronic Digital Piano with ESP32 - Code and Circuit (ESP32 - Intermediate)
- DIY ESP32 Voice Recorder with SD Card and OLED Display (ESP32 - Intermediate)
- DIY MP3 Music Player With FM Radio and Bluetooth (Analog / Discrete - Intermediate)
- DIY Musical Rain Alarm Circuit - Step-by-step Tutorial (Analog / Discrete - Intermediate)
- DIY PCL82 Tube Amplifier, Single-Ended (Analog / Discrete - Beginner)
- DIY USB MP3 Player for Under ₹150 (Analog / Discrete - Beginner)
- Electronics DIY: Ultra-Compact FM Earbud (Arduino - Intermediate)
- ESP Audio Boards (v2) and Louder-ESP32 (ESP32 - Intermediate)
- How to Build a High Efficiency Class-D Audio Amplifier using MOSFETs (Analog / Discrete - Beginner)
- How to Generate 528Hz Miracle Tone - DIY Project (Arduino - Beginner)
- How to Make DIY Wireless Multi-Room Audio System (Analog / Discrete - Advanced)
- In-Depth: Interfacing MAX4466 Microphone Amplifier Module with Arduino (Arduino - Intermediate)
- Interfacing MAX4466 Microphone Amplifier Module with Arduino (Arduino - Intermediate)
- Internet Radio with Bluetooth Audio Streaming (ESP32 - Intermediate)
- Introduction To Raspberry Pi Pico By Making Noise Generator (Raspberry Pi - Intermediate)
- LB Omnichord (Raspberry Pi - Intermediate)
- Low-Cost Educational Musical Instrument (Analog / Discrete - Beginner)
- Low-Cost Stereo Audio Amplifier Circuit Under 50 Rupees (Analog / Discrete - Advanced)
- Make Your Own Power Amplifier | Full Circuit Explaination (Analog / Discrete - Beginner)
- Mini FM Radio Earbud: DIY RDA5807M Receiver Circuit Project (IndusBoard - Advanced)
- Raspberry Pi Bluetooth Speaker: Play Audio Wirelessly using Raspberry Pi (Raspberry Pi - Intermediate)
- Simple 1 Watt Mono Audio Amplifier (Analog / Discrete - Beginner)
- Simple 2.5 Watt AF Amplifier using AN7523 (Analog / Discrete - Beginner)
- Simple 5W Mono Audio Amplifier (Analog / Discrete - Beginner)
- Simple Arduino Voice Recorder for Spy Bug Voice Recording (Arduino - Intermediate)
- Simple DIY Wireless Bluetooth Speakers using Audio Amplifier (Analog / Discrete - Beginner)
- Simple Interface for Digital Sound Synthesis (8051 - Beginner)
- Simple Low-Cost White Noise Generator (Analog / Discrete - Intermediate)
- Simple Microphone to Speaker Amplifier Circuit (Analog / Discrete - Beginner)
- Simple Stereo FM Radio Receiver Circuit (Analog / Discrete - Beginner)
- Simple Two-Way Intercom (Analog / Discrete - Beginner)
- Single-Channel Audio Amplifier (Analog / Discrete - Advanced)
- STK435 based Stereo Amplifier Circuit and PCB Design (Analog / Discrete - Intermediate)
- TDA2822 Amplifier Circuit (Analog / Discrete - Beginner)
- Understanding Difference between Active and Passive Buzzer and How to use it with Arduino (Arduino - Intermediate)
- USBPods — Pico 2 W to Bluetooth Audio Adapter (Raspberry Pi - Intermediate)
LED Matrix & Cube Displays (26)
- 8x8 Programmable Matrix Display For Primary School Kids - Teaching Aid (Arduino - Beginner)
- Arduino Nano MAX7219 Scrolling LED Matrix (Arduino - Beginner)
- Bluetooth Operated LED Desk Lamp (Arduino - Intermediate)
- Build 4×4×4 Led Cube using Arduino Nano (Arduino - Intermediate)
- Build an Arduino LED Dice with MPU6050 and MAX7219 (Arduino - Beginner)
- Building Fastest Finger First Indicator With Arduino (Arduino - Beginner)
- ChronoBloom (ESP32 - Intermediate)
- Controlling WS2812B Addressable LEDs with Arduino (Arduino - Beginner)
- Desk Displays (Arduino - Beginner)
- Desktop LED Lamp Module (Analog / Discrete - Intermediate)
- DIY YouTube Subscriber Counter with D1 Mini & MAX7219 (WeMos D1 Mini - Intermediate)
- GPS Based Dot-Matrix Display Clock (Arduino - Intermediate)
- In-Depth: Interfacing MAX7219 LED Dot Matrix Display with Arduino (Arduino - Beginner)
- Interfacing MAX7219 LED Dot Matrix Display with Arduino (Arduino - Beginner)
- Interfacing WS2812B Neopixel LED Strip with Arduino (Arduino - Beginner)
- Interfacing WS8211 RGB LED Strip with Arduino: Step by Step Tutorial (Arduino - Intermediate)
- LED Dot-Matrix Scrolling Display Using STM32 Controller (STM32 - Advanced)
- Patternflow (ESP32 - Intermediate)
- PCB Led dispaly wifi clock (ESP32 - Advanced)
- PIKKed — pick-to-light for hand PCB assembly (Raspberry Pi - Intermediate)
- Programming ESP32-S3 Box-3 with Arduino IDE: RGB LED Control Interface (ESP32 - Beginner)
- Smallest NeoPixel RGB LED Controller with IoT (IndusBoard - Intermediate)
- Smart Phone Controlled Arduino Mood Light with Alarm (Arduino - Intermediate)
- SyncroPulse: LED Therapy Game (Arduino - Intermediate)
- WLED - Getting Started with ESP32 (ESP32 - Beginner)
- Yet Another Arduino Digital Clock, but It’s Unique and You Will Need It (Arduino - Intermediate)
E-Paper Display Systems (12)
- Arduino Nano Based Automatic Wiper & Car Security System (Arduino - Intermediate)
- Build a Mini Digital Clock with Arduino Nano & OLED (Arduino - Beginner)
- Building Finger-Size Full Touch E-Ink Phone (Raspberry Pi - Intermediate)
- Diptyx E-reader (ESP32 - Intermediate)
- DIY Electronic Voting Machine Using Arduino Nano (Arduino - Beginner)
- e-Ink-based IoT Touch Switch (Raspberry Pi - Advanced)
- Flappy Bird on Arduino Nano (Arduino - Beginner)
- LightInk (ESP32 - Advanced)
- Make Smallest Touchscreen Raspberry Pi Laptop with E ink Display (Raspberry Pi - Advanced)
- Personalised DIY E-Paper Clock Using ESP32 Microcontroller (ESP32 - Intermediate)
- The Open Book (ESP32 - Intermediate)
- Working With 400x168 Four Colour e-Paper (ESP32 - Intermediate)
Spectrum Analyzer & Audio Visualizers (11)
- DIY Sound Source Localization System using Raspberry Pi (Raspberry Pi - Intermediate)
- EduBot: The Interactive AI Learning Companion (Maixduino - Advanced)
- ESP32 I2S Audio Processing Guide With Code and Circuit (ESP32 - Intermediate)
- How to Detect the Direction of Sound Using Arduino? (Arduino - Intermediate)
- I2S Microphone Input (IndusBoard - Intermediate)
- LED bar Display Showing Audio Signal Level (Analog / Discrete - Beginner)
- Music Operated Dancing LEDs (Analog / Discrete - Intermediate)
- Musical LEDs (STM32 - Intermediate)
- SDR dock 1.0 (Raspberry Pi - Intermediate)
- Smart Restaurant Menu Ordering System using Arduino (Arduino - Intermediate)
- This Gauss Meter Is Simple To Make (Analog / Discrete - Advanced)